Finding the Fourth Proportional to 321,243,822.42, 443,283,103.22 and 189,076,936.82

Step by Step Solution

1. Step 1: Write the proportion equation
   321,243,822.42 : 443,283,103.22 = 189,076,936.82 : x
2. Step 2: Convert to fraction form
   321,243,822.42/443,283,103.22 = 189,076,936.82/x
3. Step 3: Cross multiply
   321,243,822.42x = 443,283,103.22 × 189,076,936.82
4. Step 4: Simplify right side
   321,243,822.42x = 83,814,611,300,901,488
5. Step 5: Solve for x
   x = 83,814,611,300,901,488/321,243,822.42
6. Step 6: Final answer
   x = 260,906,530.96